Malicious PDF — malware analysis report

Static analysis result for SHA-256 0296611519e61143…

MALICIOUS

PDF

41.7 KB Created: 2020-08-22 21:16:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 88c0f4162946800bf69b90e0cbb87bb0 SHA-1: 3858e2463335eea724f8d89eb4c628a5644236c6 SHA-256: 0296611519e61143f683962286cb6ded4af0620d6e5081d344dc00644864b5eb
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file contains numerous links, many of which point to a redirector service. The document body, though heavily obfuscated, contains text suggesting a lure for 'cool phone wallpapers' and includes the malicious URL. The heuristic firings confirm the presence of malicious redirector links and a link farm, indicating a phishing or scam attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ttraff.ru/pify?keyword=cool+phone+wallpapers In PDF document text
    • http://xuseku.bibisnelderwaardbrion.com/uploads/1/3/1/8/131856166/ribefiruwobita.pdfIn PDF document text
    • http://webaxiza.shopstudio233.com/uploads/1/3/1/0/131070355/legiboge-wupaje-bokufe-demutodapufek.pdfIn PDF document text
    • http://files.soundsofworship.com/uploads/1/3/1/6/131637362/5528954.pdfIn PDF document text
    • http://kivuvovi.electronpotential.com/uploads/1/3/1/4/131453109/6335881.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6104/1569/files/foluzivuzegapunabuvan.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8714/2819/files/patofisiologi_gastroenteritis_akut.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1918/1978/files/budgeting_worksheets_for_adults_uk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0461/0424/8484/files/kituvud.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/9784/7976/files/difference_between_verbal_and_non_verbal_communication.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/2401/2696/files/darawavimirovuf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8311/1336/files/aashiqui_2_all_song_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0204/4316/files/bovivumagebetawitexonaz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9947/2551/files/aprendizaje_definicion_autores.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4204/5090/files/xibakaxefugug.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5227/6632/files/easy_learning_chinese_characters.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1018/6654/files/79228522118.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6183/7981/files/search_engine_definition.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Related samples 3

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006527.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6527 4904 bytes
SHA-256: 7baf0ab143dad899965475df95c48bb5f54f73c45f8ea119de5f88228f31141b
font_01_sfnt_off000075d6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x75D6 10376 bytes
SHA-256: 72d4a92e4b2a6963ec61dedf514bd43be269480551b42e183581fa079936cabb

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